/**
 * Created by gebb on 2018/2/22.
 */
var fs=require('fs');
var data='';
//创建可读流
var readerStream=fs.createReadStream('input.txt');
//设置编码为utf8；
readerStream.setEncoding('UTF8');
//处理流事件-->data,end,and error
readerStream.on('data',function(chunk){
    data+=chunk;

})
readerStream.on('end',function(){
    console.log(data);
});
readerStream.on('error',function(err){
    console.log(err.stack);
});
console.log('执行完毕');